Wednesday, April 13, 2011

P&W on A320neo: More pressure, less cooling

Pratt & Whitney plans to boost the overall pressure ratio of its PW1100G geared turbofan engine for the A320neo to about 50:1, up 11% from the 45:1 ratio for the Bombardier CSeries' PW1524G.

The manufacturer will also cut further the amount of parasitic cooling air for the turbines compared with......

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